As a general rule, avoid subroutine prototypes unless you have good reason for them. (See, e.g., Far More than Everything You've Ever Wanted to Know about Prototypes in Perl -- by Tom Christiansen.) With the prototype removed, and employing some Perl idioms, sub fexist can be simplified to:
for (glob $_)
return 3 if -l;
return 2 if -d;
return 1 if -f;
Since the aim is to cleanup unwanted files, perhaps it would be better to integrate sub fexist with the cleanup code? Something like this:
for (glob $_)
cleanup_link($_) when -l;
cleanup_dir ($_) when -d;
cleanup_file($_) when -f;
Hope that helps,
Athanasius <°(((>< contra mundum
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